Performance analysis of a time-division-multiplexed fiber Bragg grating sensor array by use of a tunable laser source

Cesar Jauregui Misas; Francisco Manuel Molita Araújo; L. A. Ferreira; Jose L. Santos; José Miguel López-Higuera

doi:10.1109/2944.892613

Performance analysis of a time-division-multiplexed fiber Bragg grating sensor array by use of a tunable laser source

Cesar Jauregui Misas, Francisco Manuel Molita Araújo, L. A. Ferreira, Jose L. Santos, José Miguel López-Higuera

Research output: Journal article publication › Journal article › Academic research › peer-review

49 Citations (Scopus)

Abstract

The results of an investigation of the performance of a time-division-multiplexed (TDM) fiber Bragg grating (FBG) sensor array using a tunable laser source are reported. The system performance is found limited by the extinction ratio of the optical pulse modulator used for pulse amplitude modulation. Formulas that relate the crosstalk to the extinction ratio of the optical pulse modulator, the modulation parameters of the tunable laser, and the optical path differences among sensing channels are derived. Computer simulation shows that an array of 20 FBG sensors with 3 με resolution can be realized with a commercially available single Mach-Zehnder type optical pulse modulator of -35-dB extinction ratio.

Original language	English
Pages (from-to)	741-749
Number of pages	9
Journal	IEEE Journal on Selected Topics in Quantum Electronics
Volume	6
Issue number	5
DOIs	https://doi.org/10.1109/2944.892613
Publication status	Published - 1 Sept 2000
Externally published	Yes

ASJC Scopus subject areas

Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics

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10.1109/2944.892613

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abstract = "The results of an investigation of the performance of a time-division-multiplexed (TDM) fiber Bragg grating (FBG) sensor array using a tunable laser source are reported. The system performance is found limited by the extinction ratio of the optical pulse modulator used for pulse amplitude modulation. Formulas that relate the crosstalk to the extinction ratio of the optical pulse modulator, the modulation parameters of the tunable laser, and the optical path differences among sensing channels are derived. Computer simulation shows that an array of 20 FBG sensors with 3 με resolution can be realized with a commercially available single Mach-Zehnder type optical pulse modulator of -35-dB extinction ratio.",

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Performance analysis of a time-division-multiplexed fiber Bragg grating sensor array by use of a tunable laser source. / Misas, Cesar Jauregui; Araújo, Francisco Manuel Molita; Ferreira, L. A. et al.
In: IEEE Journal on Selected Topics in Quantum Electronics, Vol. 6, No. 5, 01.09.2000, p. 741-749.

Research output: Journal article publication › Journal article › Academic research › peer-review

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Performance analysis of a time-division-multiplexed fiber Bragg grating sensor array by use of a tunable laser source

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